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Launched January 6, 2026
Aryson OST to PST Converter

Aryson OST to PST Converter

Best Software to Convert an OST File to PST File in Outlook

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Aryson OST to PST Converter is a powerful utility that allows users to convert Outlook OST files to PST format without data loss. It supports the recovery of emails, contacts, calendars, tasks, and other mailbox items from corrupt or inaccessible OST files. The tool offers features like batch conversion, preview of mailbox content, selective export, and support for encrypted OST files. It is compatible with all versions of MS Outlook and Windows OS, making it an ideal solution for seamless OST to PST conversion.
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Converts Outlook OST files to PST and 15+ other formats while preserving data integrity.

for
IT admins and businesses needing reliable OST migration and backup.
pricing
contact sales · free trial
works withMicrosoft OutlookWindows OSLinuxGoogle WorkspaceMicrosoft Office 365Mozilla Thunderbird

Key features

8 features of Aryson OST to PST Converter
  • Batch conversion — Convert multiple OST files simultaneously without an Exchange server.
  • Preview mailbox items — View emails, attachments, HTML, and calendar data before conversion.
  • Selective export & filters — Export specific folders, date ranges, or exclude attachments to save space.
  • Multiple export formats — Save data to PST, MBOX, MSG, EML, CSV, VCF, PDF, JSON, and more.
  • Preserves hierarchy and metadata — Keeps original folder structure, timestamps, and email properties intact.
  • Duplicate removal & incremental backup — Skips existing exports and removes duplicate emails based on key fields.
  • Offline conversion — Runs locally on Windows, macOS, or Linux with no cloud exposure.
  • Direct migration to cloud services — Supports bulk migration to Google Workspace and Microsoft Office 365.

Use cases

  • Migrate corrupted or inaccessible OST files to PST for Outlook access.
  • Export mailbox data to CSV or VCF for contact and data analysis.
  • Bulk migrate multiple OST files to Google Workspace for organization-wide rollout.
  • Create PDF archives of email threads for legal compliance.
  • Extract images as PNG for design or documentation purposes.

Aryson OST to PST Converter FAQ

Can I convert OST files without an Exchange server?+

Yes, the tool works offline and does not require an Exchange server or Outlook profile.

What is the limit of the free demo version?+

The free demo allows exporting up to 50 items per folder.

Does the converter keep the original folder hierarchy?+

It preserves the original folder structure, metadata, timestamps, and email properties during conversion.

Which export formats are supported?+

It supports PST, MBOX, MSG, EML, CSV, VCF, iCS, DOCX, PNG, PDF, MD, JSON and more.

Is bulk conversion possible for many OST files?+

Yes, it can process multiple OST files simultaneously for enterprise-scale migrations.

Summarized by DevHunt from arysontechnologies.com · Sep 30, 2026. Details may change; check the official site.

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